Doorstop



March 4 1924 1,485,954

L. F. BRASCH DOORSTOP Filed Jan 4. 1923 V INVENTOR ATT RNEY PatentedMar. 4, 1924.

NET

LOUIS F. BRASCH, OF NEWARK, NEW JERSEY.

- DOORSTOP.

Application filed January 4, 1923. Serial No. 610,601.

To all whom it may concern.

Be it known that I, LOUIS F. Bunsen, a citizen of the United States, anda resident of Newark, county of Essex, and State of New Jersey, haveinvented certain new and useful Improvements in Doorstops, of which thefollowing is a specification.

This invention relates to an improved door stop which is adapted to holda door against normal movement, such as slight drafts and the like, whenthe door is in intermediate open positions, but which is adapted tosecurely hold the door until it is positively and forcibly moved in apredetermined open position.

The invention has for an object to provide such a door stop which iseconomically manufactured and which is constructed to distribute strainsin parts that are normally cast, so that such parts will be supportedand assembled so as to withstand the violent action to which they aresometimes subjected.

A further object of the invention is to provide a door stop of this kindwhich can have the tension or friction on the rod thereof altered oradjusted without difficulty, and which can have the lower part of one ofthe members removed to disclose the entire contents of the latch-holdingpart without removing the stop from where it is installed.

The invent-ion is illustrated in the accompanying drawing, in whichFigure 1 is a view showing part of a door frame and part of a doorwithmy improved door stop attached thereto, the door being partly open.Figure 2 is a top view of the structure shown in Figure 1. Figure 3 is aside view partly broken away at the center, this view showing the doorstop removed from the door. Figure 4 is a transverse section taken online H in Figure 5, and Figure 5 is a section taken on line 55 in Figure4.

In the drawing indicates the door frame and 11 indicates the door, thesebeing connected by the usual form of hinge 12, and to the door, at asuitable point, I secure the .0d 13, this rod being pivoted, and I showthe bracket 14 as one'form of attaching means for pivotally holding therod in position, the

pivot permitting a free swinging of the other end of the rod, whichother end is provided with a projection 16, this projection beingusually a transverse lip which is usually formed on a collar 17 which inturn is secured to the end of the rod.

The other part of the door stop is a swivelled member comprising asupport 18 which is swivelled to the casing 19, the support 18 beingusually secured in position by screws 20 passing'through holes in aplate 21 of the support, the support having a depressed part 22 intowhich is headed, as at 23, the top edge of the-projection or boss 2st ofthe upper part 25 of the casing which forms, with the lower part 26, thecomplete casing 19.

The upper part 25 is provided at the front with a recessed part 27 largeenough to receive the end of the rod 13 which is provided withtheprojection, and has on the end a bearing 28 which supports the rod 13in the swivelled member. The lower part 26 fits against the upper partand is held against longitudinal movement, one on the other, by reasonof the side walls of the upper part, shown at 29, fitting down into therecessed part 30 of the side walls of the lower. part so as to form afront flange 31 which bears against the front edges of the lips 29 andthus prevents any backward movement of the lower part relative to theupper part of the casing, and the rear portion 32 of the lower partprevents any forward movement, so that the parts are thus held againsthorizontal movement relative one to the other, since the rear portion 32has its side walls embracing the projecting part 3-3 of the top part ofthe casing to pre vent any side movement.

A latch 343 is pivoted in the lower part with its free end in thechamber formed by the marginal walls thereof, this latch being pivotedat 35 and having a suitable depression, such as shown at 36, to receivethe projection on the rod. The latch has an opening 37 near its pivot,this opening usually being provided by making the pivoted end 7 forked,and through this opening or forked end the screw 38 passes, this screwserving, when screwed into the under side of the bearing 26, to hold thelower part on the upper part, and since, as previously described, thereis no transverse strain on the screw, it is in itself sufficient to holdthe parts together and is the only fastening that must be released topermit the lower part to be taken from the upper part. Thisis done whenrepairing or inspection is neces-, sary, and when this lower part 26 istaken away, the rod 13 does not fall down as it is supported in thebearing 28.

The latch is pressed in normal engage ment with the projection 16 whenthe projection is forced inside the casing to hold the door in openposition, since the latch is normally under the influence of the spring39. I prefer to make the spring adjustable by having it abut at itsbottom end on the screw 40, which screw is screw-threaded in the bottomof the lower member 26 and may be provided with a lock nut il.

It will be evident that when the door is pulled out to a predeterminedposition, that is, its limit of movement, which can be determined byaiiixing the bracket 14 and the supporting,member 18 at the properpoints, it is'held in locked position by the latch 3 firmly gripping theprojection 16, this holding being pronounced because the rod, the mainstrain on which is longitudinal and 'whieh can thus be made ofrelatively thin material, is held against movement atits gripped end,since the bearing 28 is. close up to the latch and there is no chance ofplay or bending of the rod when the projection engages the latch. Avigorous jerk or pull on the door, however, will. force the latchdownward to release the projection. The n'iov'ement of the door now iscomparatively easy, but is not particularly free, because the latch'willengage the bottom edge of the rod 13 and hold the door against swingingfrom any position in which it is placed.

The front edge 42 of the projection 16 is bevelled or tapered, and inthe same way the free end of the latch is rounded, so that when theparts are forced together the latch will be swung down by thesecontacting tapered faces.

The rearward pressure against the latch transmitted to the pivot will beeasily withstood by the casing, due to the projection of the lips 29into the'side walls of the lower part 26, so that the screw 38 will notbe subjected to any bending or breaking strain. g

' If the parts are to be adjusted, the'screw 40 is all that needs to bemanipulated. If it is necessary to inspect the inside of a member, allthat it is necessary to do is to unscrew the screw 38 and the bottompart 26 can be ren'ioved, the spring and the latch thus being exposed,and, if broken, can be easily replaced by others while the remainderof-the door stop remains in position.

I claim:

1. A door stop comprising a pivoted rod with a projection at its freeend, a member comprising a support and a casing swivelled one on theothenthe casing comprising two parts, the upper part hz-tving on one enda bearingfor the rod and "having a recess to receive the projection, thelower part having a recessed portion, a latch pivoted at one end withits free end in the recessed portion, and a spring in the recessedportion, said spring bearing on the under side of the latch.

2. A. door stop comprising a pivoted rod with a projection at its freeend, a member comprising a support and a casing swivelled one on theother, the casing comprising two parts, the upper part having on one enda bearing for the rod and having a recess to receive the projection, thelower part having a recessed portion, a latch pivoted atone end ith itsfree end in the recessed portion, a spring in the recessed portion, aidspring bearing on the under side of the latch, and a screw in the bottomof the lower part and supporting the spring, whereby the tension of thelatch against the rod can be regulated.

3. A door stop comprising a pivoted rod with a projection at its freeend, a member comprising a support and a casing swivelled one on theother, the casing comprising two parts, the upper part having on one enda bearing for the rod and having a recess to receive the projection, thelower part having a recessed portion, a latch pivoted at one end withits free end in the recessed portion, a spring in the recessed portion,said spring bearing on the under side of the latch, the latch having anopening near the pivot thereof, and a screw securing the lower part tothe upper part, .said screw passing through said opening.

a. A. door stop comprising a pivoted rod with a projection on its freeend, a member comprising a support and a casing swivelled one on theother, the casing comprising two parts, the upper part having dependingside walls with a bearing on one end for supporting the rod, the bottomof said side walls having a projecting lip, the lower part comprisingside walls and an end wall and having a bearing on the other end, theside walls having depressions toreceive the lip, a latch pivoted atone'end in the lower member, a spring in the lower member and abuttingon the bottom thereof and on the bottom face of the latch, the latchhaving a depression in the top thereof to receive the projection on therod, the latch also having an openingnear its pivot, and-a screw passingthrough the bottom of the lower memher through the opening in the latchand being in screw-threaded engagement with the bearing of the uppermember.

In testimony that I claim the foregoing, I have hereto set my hand, this2nd day of January, 1923.

' LOUIS F. BRASCH.

